Adrian Clarke looks at key areas where each Premier League club can improve ahead of the 2019/20 season.
Watford made terrific progress under Javi Gracia in 2018/19 and reached the FA Cup final. They will now be eager to take further forward steps this season.
It is hard to find many faults with a side that improved so much, but I do feel the Hornets lack quality in wide areas.
With their 4-2-2-2 formation, Watford usually had two strikers attacking crosses but it is a narrow system and there is an issue with service to those forwards.
This puts an onus on both full-backs to get forward, which they do, but their end product was below par last season.
Watford produced the fewest accurate crosses from open play.
But they were only ranked eighth and joint-ninth for chances created in open play among Watford players. So if Gracia persists with 4-2-2-2 he will certainly look for better end product from the wings.
It will be interesting to see whether new signing Craig Dawson is used as a centre-back or full-back.
He played for many years as a right-back for West Bromwich Albion in the Premier League and is capable of whipping in dangerous crosses.
Gracia may also address the lack of natural wingers in his squad, as there is not an abundance of specialists in this area.
Troy Deeney remains Watford's main man in attack.
This summer Gracia may opt to give the 31-year-old more competition by recruiting a centre-forward with similar attributes.
In previous seasons the back-ups to Deeney have failed to deliver, and he has averaged 34 appearances per season over the last four Premier League campaigns.
To keep him fresh and in peak condition, it makes sense for Watford to bring in somebody who can offer reliable cover from time to time.
Tomorrow: Clarke on West Ham